#include "src/mc/explo/odpor/odpor_forward.hpp"
#include <memory>
+#include <optional>
#include <unordered_map>
namespace simgrid::mc::odpor {
explicit WakeupTreeNode(const PartialExecution& u) : seq_(u) {}
explicit WakeupTreeNode(PartialExecution&& u) : seq_(std::move(u)) {}
+ WakeupTreeNode* parent_ = nullptr;
+
/** An ordered list of children of for this node in the tree */
std::list<WakeupTreeNode*> children_;
friend WakeupTreeIterator;
public:
+ ~WakeupTreeNode();
WakeupTreeNode(const WakeupTreeNode&) = delete;
WakeupTreeNode(WakeupTreeNode&&) = default;
WakeupTreeNode& operator=(const WakeupTreeNode&) = delete;
const PartialExecution& get_sequence() const { return seq_; }
const std::list<WakeupTreeNode*>& get_ordered_children() const { return children_; }
bool is_leaf() const { return children_.empty(); }
- bool is_single_process() const { return children_.size() == static_cast<size_t>(1); }
+ bool is_single_process() const { return seq_.size() == static_cast<size_t>(1); }
+ aid_t get_first_actor() const;
/** Insert a node `node` as a new child of this node */
- void add_child(WakeupTreeNode* node) { this->children_.push_back(node); }
+ void add_child(WakeupTreeNode* node);
};
class WakeupTree {
private:
- /** @brief The root node of the tree */
- WakeupTreeNode* const root_;
+ WakeupTreeNode* root_;
/**
* @brief All of the nodes that are currently are a part of the tree
*/
std::unordered_map<WakeupTreeNode*, std::unique_ptr<WakeupTreeNode>> nodes_;
- /**
- * @brief Transfers the lifetime of node `node` to the tree
- */
void insert_node(std::unique_ptr<WakeupTreeNode> node);
+ void remove_node(WakeupTreeNode* node);
+ bool contains(WakeupTreeNode* node) const;
/**
- * @brief Creates a new, disconnected node in this tree
+ * @brief Adds a new node to the tree, disconnected from
+ * any other, which represents the partial execution
+ * "fragment" `u`
*/
WakeupTreeNode* make_node(const PartialExecution& u);
public:
WakeupTree();
explicit WakeupTree(std::unique_ptr<WakeupTreeNode> root);
- static WakeupTree new_subtree_rooted_at(WakeupTreeNode* root);
auto begin() const { return WakeupTreeIterator(*this); }
auto end() const { return WakeupTreeIterator(); }
+ void remove_subtree_rooted_at(WakeupTreeNode* root);
+ static WakeupTree make_subtree_rooted_at(WakeupTreeNode* root);
+
+ /**
+ * @brief Whether or not this tree is considered empty
+ *
+ * @note Unlike other collection types, a wakeup tree is
+ * considered "empty" if it only contains the root node;
+ * that is, if it is "uninteresting". In such a case,
+ */
+ bool empty() const { return nodes_.size() == static_cast<size_t>(1); }
+
/**
* @brief Inserts an sequence `seq` of processes into the tree
* such that that this tree is a wakeup tree relative to the